anion |
negatively charged ions, formed when an atom gains electrons in a reaction |
artesian |
a confined aquifer containing groundwater that will flow upwards out of a well without the need for pumping |
aquifer |
an underground layer of water-bearing permeable rock |
Bbl |
a barrel, 42 U.S. gallons liquid volume or 0.15899 cubic meters (9,702 cubic inches) |
Bbls |
more than on Bbl |
Bcf |
one billion cubic feet of natural gas |
biogenic |
a substance produced by life processes |
BTU |
British Thermal Unit |
bottomhole pressure |
the pressure at the bottom of a borehole, which is caused by the hydrostatic pressure of the wellbore fluid |
caliche |
a hardened deposit of calcium carbonate |
core analysis |
laboratory analysis of a core sample that may determine porosity, permeability, lithology, fluid content, angle of dip, geological age, and probable productivity of the formation |
DD&A |
depreciation, depletion and amortization |
dissolved gas |
natural gas that is in solution with water in the reservoir |
drill |
to bore a hole in the earth, usually to find and remove subsurface formation fluids |
formation |
an identifiable single geologic horizon |
G&A |
general and administrative expenses |
gas lift |
the process of lifting fluid from a well by injecting gas down the well through tubing |
gross acres or gross wells |
the total acres or wells, as the case may be, in which a working interest is owned |
injection well |
a well through which spent fluids are injected into an underground stratum |
iodine |
a chemical element that has the symbol I |
kilogram (kg) |
one thousand grams |
mmbtu |
one million BTU |
Mcf |
one thousand cubic feet of natural gas |
MMcf |
one million cubic feet of natural gas |
MT |
metric tonne or tonne de metrice, is a measurement of mass equal to 1,000 kilograms |
NaI |
sodium iodide |
OGIP |
Original Gas In Place |
permeabiliy |
a measure of the ease with which a fluid flows through the connecting por production |
pH |
a measure of the acidity or alkalinity of a solution |
pilot well |
a well drilled to find and produce oil or gas in an unproved area, or to extend a known reservoir |
Ppm |
parts per million |
Pump |
a device that increases the pressure on a fluid or raises it to a higher level |
royalty interest |
an interest in an oil and gas property entitling the owner to a share of oil or gas production free of costs of production |
scf |
standard cubic foot |
Tcf |
one trillion cubic feet |
WET™ |
registered service mark of Iofina for in field Wellhead Extraction Technology™ method |